OK, I am now cycling my tank and have fake plants, a fake rock with a cave in it and a fake pipe that the fish LOVE! My question is this - can I take all of that out and put in stone like the kind of stone that stone masons use on houses and chimneys (My Brother in Law is a stone mason so I can tons of this stuff)? If I could that would look SO awesome...but is the bacteria building up on what I have in there and if I take that out, will my ammonia levels go up because of it? Will I have to recycle my tank if I take out what is there and put in the stone? I really dont want to have to recycle because I am at 0 ammonia and my nitrites are starting to fall, so Im about ready to add more fish...